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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.maven.artifact.repository.layout;
20  
21  import javax.inject.Named;
22  import javax.inject.Singleton;
23  
24  import org.apache.maven.artifact.Artifact;
25  import org.apache.maven.artifact.handler.ArtifactHandler;
26  import org.apache.maven.artifact.metadata.ArtifactMetadata;
27  import org.apache.maven.artifact.repository.ArtifactRepository;
28  
29  /**
30   */
31  @Named("default")
32  @Singleton
33  public class DefaultRepositoryLayout implements ArtifactRepositoryLayout {
34      private static final char PATH_SEPARATOR = '/';
35  
36      private static final char GROUP_SEPARATOR = '.';
37  
38      private static final char ARTIFACT_SEPARATOR = '-';
39  
40      @Override
41      public String getId() {
42          return "default";
43      }
44  
45      @Override
46      public String pathOf(Artifact artifact) {
47          ArtifactHandler artifactHandler = artifact.getArtifactHandler();
48  
49          StringBuilder path = new StringBuilder(128);
50  
51          path.append(formatAsDirectory(artifact.getGroupId())).append(PATH_SEPARATOR);
52          path.append(artifact.getArtifactId()).append(PATH_SEPARATOR);
53          path.append(artifact.getBaseVersion()).append(PATH_SEPARATOR);
54          path.append(artifact.getArtifactId()).append(ARTIFACT_SEPARATOR).append(artifact.getVersion());
55  
56          if (artifact.hasClassifier()) {
57              path.append(ARTIFACT_SEPARATOR).append(artifact.getClassifier());
58          }
59  
60          if (artifactHandler.getExtension() != null
61                  && !artifactHandler.getExtension().isEmpty()) {
62              path.append(GROUP_SEPARATOR).append(artifactHandler.getExtension());
63          }
64  
65          return path.toString();
66      }
67  
68      @Override
69      public String pathOfLocalRepositoryMetadata(ArtifactMetadata metadata, ArtifactRepository repository) {
70          return pathOfRepositoryMetadata(metadata, metadata.getLocalFilename(repository));
71      }
72  
73      private String pathOfRepositoryMetadata(ArtifactMetadata metadata, String filename) {
74          StringBuilder path = new StringBuilder(128);
75  
76          path.append(formatAsDirectory(metadata.getGroupId())).append(PATH_SEPARATOR);
77          if (!metadata.storedInGroupDirectory()) {
78              path.append(metadata.getArtifactId()).append(PATH_SEPARATOR);
79  
80              if (metadata.storedInArtifactVersionDirectory()) {
81                  path.append(metadata.getBaseVersion()).append(PATH_SEPARATOR);
82              }
83          }
84  
85          path.append(filename);
86  
87          return path.toString();
88      }
89  
90      @Override
91      public String pathOfRemoteRepositoryMetadata(ArtifactMetadata metadata) {
92          return pathOfRepositoryMetadata(metadata, metadata.getRemoteFilename());
93      }
94  
95      private String formatAsDirectory(String directory) {
96          return directory.replace(GROUP_SEPARATOR, PATH_SEPARATOR);
97      }
98  
99      @Override
100     public String toString() {
101         return getId();
102     }
103 }